1 (**************************************************************************)
4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
13 (**************************************************************************)
15 (* This file was automatically generated: do not edit *********************)
17 include "basic_1/nf2/defs.ma".
19 include "basic_1/pr2/clen.ma".
21 include "basic_1/pr0/dec.ma".
23 include "basic_1/C/props.ma".
26 \forall (c: C).(\forall (t1: T).(or (nf2 c t1) (ex2 T (\lambda (t2: T).((eq
27 T t1 t2) \to (\forall (P: Prop).P))) (\lambda (t2: T).(pr2 c t1 t2)))))
29 \lambda (c: C).(let TMP_5 \def (\lambda (c0: C).(\forall (t1: T).(let TMP_1
30 \def (\forall (t2: T).((pr2 c0 t1 t2) \to (eq T t1 t2))) in (let TMP_2 \def
31 (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let TMP_3 \def
32 (\lambda (t2: T).(pr2 c0 t1 t2)) in (let TMP_4 \def (ex2 T TMP_2 TMP_3) in
33 (or TMP_1 TMP_4))))))) in (let TMP_44 \def (\lambda (n: nat).(\lambda (t1:
34 T).(let H_x \def (nf0_dec t1) in (let H \def H_x in (let TMP_6 \def (\forall
35 (t2: T).((pr0 t1 t2) \to (eq T t1 t2))) in (let TMP_7 \def (\lambda (t2:
36 T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let TMP_8 \def (\lambda (t2:
37 T).(pr0 t1 t2)) in (let TMP_9 \def (ex2 T TMP_7 TMP_8) in (let TMP_10 \def
38 (\forall (t2: T).((pr2 (CSort n) t1 t2) \to (eq T t1 t2))) in (let TMP_11
39 \def (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let
40 TMP_13 \def (\lambda (t2: T).(let TMP_12 \def (CSort n) in (pr2 TMP_12 t1
41 t2))) in (let TMP_14 \def (ex2 T TMP_11 TMP_13) in (let TMP_15 \def (or
42 TMP_10 TMP_14) in (let TMP_22 \def (\lambda (H0: ((\forall (t2: T).((pr0 t1
43 t2) \to (eq T t1 t2))))).(let TMP_16 \def (\forall (t2: T).((pr2 (CSort n) t1
44 t2) \to (eq T t1 t2))) in (let TMP_17 \def (\lambda (t2: T).((eq T t1 t2) \to
45 (\forall (P: Prop).P))) in (let TMP_19 \def (\lambda (t2: T).(let TMP_18 \def
46 (CSort n) in (pr2 TMP_18 t1 t2))) in (let TMP_20 \def (ex2 T TMP_17 TMP_19)
47 in (let TMP_21 \def (\lambda (t2: T).(\lambda (H1: (pr2 (CSort n) t1
48 t2)).(let H_y \def (pr2_gen_csort t1 t2 n H1) in (H0 t2 H_y)))) in (or_introl
49 TMP_16 TMP_20 TMP_21))))))) in (let TMP_43 \def (\lambda (H0: (ex2 T (\lambda
50 (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) (\lambda (t2: T).(pr0 t1
51 t2)))).(let TMP_23 \def (\lambda (t2: T).((eq T t1 t2) \to (\forall (P:
52 Prop).P))) in (let TMP_24 \def (\lambda (t2: T).(pr0 t1 t2)) in (let TMP_25
53 \def (\forall (t2: T).((pr2 (CSort n) t1 t2) \to (eq T t1 t2))) in (let
54 TMP_26 \def (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) in
55 (let TMP_28 \def (\lambda (t2: T).(let TMP_27 \def (CSort n) in (pr2 TMP_27
56 t1 t2))) in (let TMP_29 \def (ex2 T TMP_26 TMP_28) in (let TMP_30 \def (or
57 TMP_25 TMP_29) in (let TMP_42 \def (\lambda (x: T).(\lambda (H1: (((eq T t1
58 x) \to (\forall (P: Prop).P)))).(\lambda (H2: (pr0 t1 x)).(let TMP_31 \def
59 (\forall (t2: T).((pr2 (CSort n) t1 t2) \to (eq T t1 t2))) in (let TMP_32
60 \def (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let
61 TMP_34 \def (\lambda (t2: T).(let TMP_33 \def (CSort n) in (pr2 TMP_33 t1
62 t2))) in (let TMP_35 \def (ex2 T TMP_32 TMP_34) in (let TMP_36 \def (\lambda
63 (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let TMP_38 \def
64 (\lambda (t2: T).(let TMP_37 \def (CSort n) in (pr2 TMP_37 t1 t2))) in (let
65 TMP_39 \def (CSort n) in (let TMP_40 \def (pr2_free TMP_39 t1 x H2) in (let
66 TMP_41 \def (ex_intro2 T TMP_36 TMP_38 x H1 TMP_40) in (or_intror TMP_31
67 TMP_35 TMP_41))))))))))))) in (ex2_ind T TMP_23 TMP_24 TMP_30 TMP_42
68 H0)))))))))) in (or_ind TMP_6 TMP_9 TMP_15 TMP_22 TMP_43 H)))))))))))))))) in
69 (let TMP_404 \def (\lambda (c0: C).(\lambda (H: ((\forall (t1: T).(or
70 (\forall (t2: T).((pr2 c0 t1 t2) \to (eq T t1 t2))) (ex2 T (\lambda (t2:
71 T).((eq T t1 t2) \to (\forall (P: Prop).P))) (\lambda (t2: T).(pr2 c0 t1
72 t2))))))).(\lambda (k: K).(\lambda (t: T).(\lambda (t1: T).(let H_x \def (H
73 t1) in (let H0 \def H_x in (let TMP_45 \def (\forall (t2: T).((pr2 c0 t1 t2)
74 \to (eq T t1 t2))) in (let TMP_46 \def (\lambda (t2: T).((eq T t1 t2) \to
75 (\forall (P: Prop).P))) in (let TMP_47 \def (\lambda (t2: T).(pr2 c0 t1 t2))
76 in (let TMP_48 \def (ex2 T TMP_46 TMP_47) in (let TMP_49 \def (\forall (t2:
77 T).((pr2 (CTail k t c0) t1 t2) \to (eq T t1 t2))) in (let TMP_50 \def
78 (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let TMP_52
79 \def (\lambda (t2: T).(let TMP_51 \def (CTail k t c0) in (pr2 TMP_51 t1 t2)))
80 in (let TMP_53 \def (ex2 T TMP_50 TMP_52) in (let TMP_54 \def (or TMP_49
81 TMP_53) in (let TMP_383 \def (\lambda (H1: ((\forall (t2: T).((pr2 c0 t1 t2)
82 \to (eq T t1 t2))))).(let TMP_60 \def (\lambda (k0: K).(let TMP_55 \def
83 (\forall (t2: T).((pr2 (CTail k0 t c0) t1 t2) \to (eq T t1 t2))) in (let
84 TMP_56 \def (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) in
85 (let TMP_58 \def (\lambda (t2: T).(let TMP_57 \def (CTail k0 t c0) in (pr2
86 TMP_57 t1 t2))) in (let TMP_59 \def (ex2 T TMP_56 TMP_58) in (or TMP_55
87 TMP_59)))))) in (let TMP_350 \def (\lambda (b: B).(let TMP_67 \def (\lambda
88 (b0: B).(let TMP_61 \def (\forall (t2: T).((pr2 (CTail (Bind b0) t c0) t1 t2)
89 \to (eq T t1 t2))) in (let TMP_62 \def (\lambda (t2: T).((eq T t1 t2) \to
90 (\forall (P: Prop).P))) in (let TMP_65 \def (\lambda (t2: T).(let TMP_63 \def
91 (Bind b0) in (let TMP_64 \def (CTail TMP_63 t c0) in (pr2 TMP_64 t1 t2)))) in
92 (let TMP_66 \def (ex2 T TMP_62 TMP_65) in (or TMP_61 TMP_66)))))) in (let
93 TMP_68 \def (clen c0) in (let H_x0 \def (dnf_dec t t1 TMP_68) in (let H2 \def
94 H_x0 in (let TMP_78 \def (\lambda (v: T).(let TMP_69 \def (clen c0) in (let
95 TMP_70 \def (S O) in (let TMP_71 \def (clen c0) in (let TMP_72 \def (lift
96 TMP_70 TMP_71 v) in (let TMP_73 \def (subst0 TMP_69 t t1 TMP_72) in (let
97 TMP_74 \def (S O) in (let TMP_75 \def (clen c0) in (let TMP_76 \def (lift
98 TMP_74 TMP_75 v) in (let TMP_77 \def (eq T t1 TMP_76) in (or TMP_73
99 TMP_77))))))))))) in (let TMP_79 \def (\forall (t2: T).((pr2 (CTail (Bind
100 Abbr) t c0) t1 t2) \to (eq T t1 t2))) in (let TMP_80 \def (\lambda (t2:
101 T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let TMP_83 \def (\lambda
102 (t2: T).(let TMP_81 \def (Bind Abbr) in (let TMP_82 \def (CTail TMP_81 t c0)
103 in (pr2 TMP_82 t1 t2)))) in (let TMP_84 \def (ex2 T TMP_80 TMP_83) in (let
104 TMP_85 \def (or TMP_79 TMP_84) in (let TMP_284 \def (\lambda (x: T).(\lambda
105 (H3: (or (subst0 (clen c0) t t1 (lift (S O) (clen c0) x)) (eq T t1 (lift (S
106 O) (clen c0) x)))).(let TMP_86 \def (clen c0) in (let TMP_87 \def (S O) in
107 (let TMP_88 \def (clen c0) in (let TMP_89 \def (lift TMP_87 TMP_88 x) in (let
108 TMP_90 \def (subst0 TMP_86 t t1 TMP_89) in (let TMP_91 \def (S O) in (let
109 TMP_92 \def (clen c0) in (let TMP_93 \def (lift TMP_91 TMP_92 x) in (let
110 TMP_94 \def (eq T t1 TMP_93) in (let TMP_95 \def (\forall (t2: T).((pr2
111 (CTail (Bind Abbr) t c0) t1 t2) \to (eq T t1 t2))) in (let TMP_96 \def
112 (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let TMP_99
113 \def (\lambda (t2: T).(let TMP_97 \def (Bind Abbr) in (let TMP_98 \def (CTail
114 TMP_97 t c0) in (pr2 TMP_98 t1 t2)))) in (let TMP_100 \def (ex2 T TMP_96
115 TMP_99) in (let TMP_101 \def (or TMP_95 TMP_100) in (let TMP_173 \def
116 (\lambda (H4: (subst0 (clen c0) t t1 (lift (S O) (clen c0) x))).(let H_x1
117 \def (getl_ctail_clen Abbr t c0) in (let H5 \def H_x1 in (let TMP_108 \def
118 (\lambda (n: nat).(let TMP_102 \def (clen c0) in (let TMP_103 \def (Bind
119 Abbr) in (let TMP_104 \def (CTail TMP_103 t c0) in (let TMP_105 \def (CSort
120 n) in (let TMP_106 \def (Bind Abbr) in (let TMP_107 \def (CHead TMP_105
121 TMP_106 t) in (getl TMP_102 TMP_104 TMP_107)))))))) in (let TMP_109 \def
122 (\forall (t2: T).((pr2 (CTail (Bind Abbr) t c0) t1 t2) \to (eq T t1 t2))) in
123 (let TMP_110 \def (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P)))
124 in (let TMP_113 \def (\lambda (t2: T).(let TMP_111 \def (Bind Abbr) in (let
125 TMP_112 \def (CTail TMP_111 t c0) in (pr2 TMP_112 t1 t2)))) in (let TMP_114
126 \def (ex2 T TMP_110 TMP_113) in (let TMP_115 \def (or TMP_109 TMP_114) in
127 (let TMP_172 \def (\lambda (x0: nat).(\lambda (H6: (getl (clen c0) (CTail
128 (Bind Abbr) t c0) (CHead (CSort x0) (Bind Abbr) t))).(let TMP_116 \def
129 (\forall (t2: T).((pr2 (CTail (Bind Abbr) t c0) t1 t2) \to (eq T t1 t2))) in
130 (let TMP_117 \def (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P)))
131 in (let TMP_120 \def (\lambda (t2: T).(let TMP_118 \def (Bind Abbr) in (let
132 TMP_119 \def (CTail TMP_118 t c0) in (pr2 TMP_119 t1 t2)))) in (let TMP_121
133 \def (ex2 T TMP_117 TMP_120) in (let TMP_122 \def (\lambda (t2: T).((eq T t1
134 t2) \to (\forall (P: Prop).P))) in (let TMP_125 \def (\lambda (t2: T).(let
135 TMP_123 \def (Bind Abbr) in (let TMP_124 \def (CTail TMP_123 t c0) in (pr2
136 TMP_124 t1 t2)))) in (let TMP_126 \def (S O) in (let TMP_127 \def (clen c0)
137 in (let TMP_128 \def (lift TMP_126 TMP_127 x) in (let TMP_161 \def (\lambda
138 (H7: (eq T t1 (lift (S O) (clen c0) x))).(\lambda (P: Prop).(let TMP_133 \def
139 (\lambda (t0: T).(let TMP_129 \def (clen c0) in (let TMP_130 \def (S O) in
140 (let TMP_131 \def (clen c0) in (let TMP_132 \def (lift TMP_130 TMP_131 x) in
141 (subst0 TMP_129 t t0 TMP_132)))))) in (let TMP_134 \def (S O) in (let TMP_135
142 \def (clen c0) in (let TMP_136 \def (lift TMP_134 TMP_135 x) in (let H8 \def
143 (eq_ind T t1 TMP_133 H4 TMP_136 H7) in (let TMP_137 \def (S O) in (let
144 TMP_138 \def (clen c0) in (let TMP_139 \def (lift TMP_137 TMP_138 x) in (let
145 TMP_140 \def (S O) in (let TMP_141 \def (clen c0) in (let TMP_142 \def (clen
146 c0) in (let TMP_143 \def (clen c0) in (let TMP_144 \def (le_n TMP_143) in
147 (let TMP_145 \def (S O) in (let TMP_146 \def (clen c0) in (let TMP_147 \def
148 (plus TMP_145 TMP_146) in (let TMP_149 \def (\lambda (n: nat).(let TMP_148
149 \def (clen c0) in (lt TMP_148 n))) in (let TMP_150 \def (S O) in (let TMP_151
150 \def (clen c0) in (let TMP_152 \def (plus TMP_150 TMP_151) in (let TMP_153
151 \def (le_n TMP_152) in (let TMP_154 \def (clen c0) in (let TMP_155 \def (S O)
152 in (let TMP_156 \def (plus TMP_154 TMP_155) in (let TMP_157 \def (clen c0) in
153 (let TMP_158 \def (S O) in (let TMP_159 \def (plus_sym TMP_157 TMP_158) in
154 (let TMP_160 \def (eq_ind_r nat TMP_147 TMP_149 TMP_153 TMP_156 TMP_159) in
155 (subst0_gen_lift_false x t TMP_139 TMP_140 TMP_141 TMP_142 TMP_144 TMP_160 H8
156 P))))))))))))))))))))))))))))))) in (let TMP_162 \def (Bind Abbr) in (let
157 TMP_163 \def (CTail TMP_162 t c0) in (let TMP_164 \def (CSort x0) in (let
158 TMP_165 \def (clen c0) in (let TMP_166 \def (pr0_refl t1) in (let TMP_167
159 \def (S O) in (let TMP_168 \def (clen c0) in (let TMP_169 \def (lift TMP_167
160 TMP_168 x) in (let TMP_170 \def (pr2_delta TMP_163 TMP_164 t TMP_165 H6 t1 t1
161 TMP_166 TMP_169 H4) in (let TMP_171 \def (ex_intro2 T TMP_122 TMP_125 TMP_128
162 TMP_161 TMP_170) in (or_intror TMP_116 TMP_121 TMP_171)))))))))))))))))))))))
163 in (ex_ind nat TMP_108 TMP_115 TMP_172 H5))))))))))) in (let TMP_283 \def
164 (\lambda (H4: (eq T t1 (lift (S O) (clen c0) x))).(let TMP_174 \def (\lambda
165 (t0: T).(\forall (t2: T).((pr2 c0 t0 t2) \to (eq T t0 t2)))) in (let TMP_175
166 \def (S O) in (let TMP_176 \def (clen c0) in (let TMP_177 \def (lift TMP_175
167 TMP_176 x) in (let H5 \def (eq_ind T t1 TMP_174 H1 TMP_177 H4) in (let
168 TMP_178 \def (S O) in (let TMP_179 \def (clen c0) in (let TMP_180 \def (lift
169 TMP_178 TMP_179 x) in (let TMP_187 \def (\lambda (t0: T).(let TMP_181 \def
170 (\forall (t2: T).((pr2 (CTail (Bind Abbr) t c0) t0 t2) \to (eq T t0 t2))) in
171 (let TMP_182 \def (\lambda (t2: T).((eq T t0 t2) \to (\forall (P: Prop).P)))
172 in (let TMP_185 \def (\lambda (t2: T).(let TMP_183 \def (Bind Abbr) in (let
173 TMP_184 \def (CTail TMP_183 t c0) in (pr2 TMP_184 t0 t2)))) in (let TMP_186
174 \def (ex2 T TMP_182 TMP_185) in (or TMP_181 TMP_186)))))) in (let TMP_191
175 \def (\forall (t2: T).((pr2 (CTail (Bind Abbr) t c0) (lift (S O) (clen c0) x)
176 t2) \to (let TMP_188 \def (S O) in (let TMP_189 \def (clen c0) in (let
177 TMP_190 \def (lift TMP_188 TMP_189 x) in (eq T TMP_190 t2)))))) in (let
178 TMP_192 \def (\lambda (t2: T).((eq T (lift (S O) (clen c0) x) t2) \to
179 (\forall (P: Prop).P))) in (let TMP_198 \def (\lambda (t2: T).(let TMP_193
180 \def (Bind Abbr) in (let TMP_194 \def (CTail TMP_193 t c0) in (let TMP_195
181 \def (S O) in (let TMP_196 \def (clen c0) in (let TMP_197 \def (lift TMP_195
182 TMP_196 x) in (pr2 TMP_194 TMP_197 t2))))))) in (let TMP_199 \def (ex2 T
183 TMP_192 TMP_198) in (let TMP_281 \def (\lambda (t2: T).(\lambda (H6: (pr2
184 (CTail (Bind Abbr) t c0) (lift (S O) (clen c0) x) t2)).(let TMP_200 \def
185 (Bind Abbr) in (let TMP_201 \def (S O) in (let TMP_202 \def (clen c0) in (let
186 TMP_203 \def (lift TMP_201 TMP_202 x) in (let H_x1 \def (pr2_gen_ctail
187 TMP_200 c0 t TMP_203 t2 H6) in (let H7 \def H_x1 in (let TMP_204 \def (S O)
188 in (let TMP_205 \def (clen c0) in (let TMP_206 \def (lift TMP_204 TMP_205 x)
189 in (let TMP_207 \def (pr2 c0 TMP_206 t2) in (let TMP_210 \def (\lambda (_:
190 T).(let TMP_208 \def (Bind Abbr) in (let TMP_209 \def (Bind Abbr) in (eq K
191 TMP_208 TMP_209)))) in (let TMP_214 \def (\lambda (t0: T).(let TMP_211 \def
192 (S O) in (let TMP_212 \def (clen c0) in (let TMP_213 \def (lift TMP_211
193 TMP_212 x) in (pr0 TMP_213 t0))))) in (let TMP_216 \def (\lambda (t0: T).(let
194 TMP_215 \def (clen c0) in (subst0 TMP_215 t t0 t2))) in (let TMP_217 \def
195 (ex3 T TMP_210 TMP_214 TMP_216) in (let TMP_218 \def (S O) in (let TMP_219
196 \def (clen c0) in (let TMP_220 \def (lift TMP_218 TMP_219 x) in (let TMP_221
197 \def (eq T TMP_220 t2) in (let TMP_222 \def (\lambda (H8: (pr2 c0 (lift (S O)
198 (clen c0) x) t2)).(H5 t2 H8)) in (let TMP_280 \def (\lambda (H8: (ex3 T
199 (\lambda (_: T).(eq K (Bind Abbr) (Bind Abbr))) (\lambda (t0: T).(pr0 (lift
200 (S O) (clen c0) x) t0)) (\lambda (t0: T).(subst0 (clen c0) t t0 t2)))).(let
201 TMP_225 \def (\lambda (_: T).(let TMP_223 \def (Bind Abbr) in (let TMP_224
202 \def (Bind Abbr) in (eq K TMP_223 TMP_224)))) in (let TMP_229 \def (\lambda
203 (t0: T).(let TMP_226 \def (S O) in (let TMP_227 \def (clen c0) in (let
204 TMP_228 \def (lift TMP_226 TMP_227 x) in (pr0 TMP_228 t0))))) in (let TMP_231
205 \def (\lambda (t0: T).(let TMP_230 \def (clen c0) in (subst0 TMP_230 t t0
206 t2))) in (let TMP_232 \def (S O) in (let TMP_233 \def (clen c0) in (let
207 TMP_234 \def (lift TMP_232 TMP_233 x) in (let TMP_235 \def (eq T TMP_234 t2)
208 in (let TMP_279 \def (\lambda (x0: T).(\lambda (_: (eq K (Bind Abbr) (Bind
209 Abbr))).(\lambda (H10: (pr0 (lift (S O) (clen c0) x) x0)).(\lambda (H11:
210 (subst0 (clen c0) t x0 t2)).(let TMP_239 \def (\lambda (t3: T).(let TMP_236
211 \def (S O) in (let TMP_237 \def (clen c0) in (let TMP_238 \def (lift TMP_236
212 TMP_237 t3) in (eq T x0 TMP_238))))) in (let TMP_240 \def (\lambda (t3:
213 T).(pr0 x t3)) in (let TMP_241 \def (S O) in (let TMP_242 \def (clen c0) in
214 (let TMP_243 \def (lift TMP_241 TMP_242 x) in (let TMP_244 \def (eq T TMP_243
215 t2) in (let TMP_275 \def (\lambda (x1: T).(\lambda (H12: (eq T x0 (lift (S O)
216 (clen c0) x1))).(\lambda (_: (pr0 x x1)).(let TMP_246 \def (\lambda (t0:
217 T).(let TMP_245 \def (clen c0) in (subst0 TMP_245 t t0 t2))) in (let TMP_247
218 \def (S O) in (let TMP_248 \def (clen c0) in (let TMP_249 \def (lift TMP_247
219 TMP_248 x1) in (let H14 \def (eq_ind T x0 TMP_246 H11 TMP_249 H12) in (let
220 TMP_250 \def (S O) in (let TMP_251 \def (clen c0) in (let TMP_252 \def (clen
221 c0) in (let TMP_253 \def (clen c0) in (let TMP_254 \def (le_n TMP_253) in
222 (let TMP_255 \def (S O) in (let TMP_256 \def (clen c0) in (let TMP_257 \def
223 (plus TMP_255 TMP_256) in (let TMP_259 \def (\lambda (n: nat).(let TMP_258
224 \def (clen c0) in (lt TMP_258 n))) in (let TMP_260 \def (S O) in (let TMP_261
225 \def (clen c0) in (let TMP_262 \def (plus TMP_260 TMP_261) in (let TMP_263
226 \def (le_n TMP_262) in (let TMP_264 \def (clen c0) in (let TMP_265 \def (S O)
227 in (let TMP_266 \def (plus TMP_264 TMP_265) in (let TMP_267 \def (clen c0) in
228 (let TMP_268 \def (S O) in (let TMP_269 \def (plus_sym TMP_267 TMP_268) in
229 (let TMP_270 \def (eq_ind_r nat TMP_257 TMP_259 TMP_263 TMP_266 TMP_269) in
230 (let TMP_271 \def (S O) in (let TMP_272 \def (clen c0) in (let TMP_273 \def
231 (lift TMP_271 TMP_272 x) in (let TMP_274 \def (eq T TMP_273 t2) in
232 (subst0_gen_lift_false x1 t t2 TMP_250 TMP_251 TMP_252 TMP_254 TMP_270 H14
233 TMP_274))))))))))))))))))))))))))))))))) in (let TMP_276 \def (S O) in (let
234 TMP_277 \def (clen c0) in (let TMP_278 \def (pr0_gen_lift x x0 TMP_276
235 TMP_277 H10) in (ex2_ind T TMP_239 TMP_240 TMP_244 TMP_275
236 TMP_278))))))))))))))) in (ex3_ind T TMP_225 TMP_229 TMP_231 TMP_235 TMP_279
237 H8)))))))))) in (or_ind TMP_207 TMP_217 TMP_221 TMP_222 TMP_280
238 H7))))))))))))))))))))))) in (let TMP_282 \def (or_introl TMP_191 TMP_199
239 TMP_281) in (eq_ind_r T TMP_180 TMP_187 TMP_282 t1 H4))))))))))))))))) in
240 (or_ind TMP_90 TMP_94 TMP_101 TMP_173 TMP_283 H3))))))))))))))))))) in (let
241 TMP_285 \def (ex_ind T TMP_78 TMP_85 TMP_284 H2) in (let TMP_286 \def
242 (\forall (t2: T).((pr2 (CTail (Bind Abst) t c0) t1 t2) \to (eq T t1 t2))) in
243 (let TMP_287 \def (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P)))
244 in (let TMP_290 \def (\lambda (t2: T).(let TMP_288 \def (Bind Abst) in (let
245 TMP_289 \def (CTail TMP_288 t c0) in (pr2 TMP_289 t1 t2)))) in (let TMP_291
246 \def (ex2 T TMP_287 TMP_290) in (let TMP_316 \def (\lambda (t2: T).(\lambda
247 (H2: (pr2 (CTail (Bind Abst) t c0) t1 t2)).(let TMP_292 \def (Bind Abst) in
248 (let H_x0 \def (pr2_gen_ctail TMP_292 c0 t t1 t2 H2) in (let H3 \def H_x0 in
249 (let TMP_293 \def (pr2 c0 t1 t2) in (let TMP_296 \def (\lambda (_: T).(let
250 TMP_294 \def (Bind Abst) in (let TMP_295 \def (Bind Abbr) in (eq K TMP_294
251 TMP_295)))) in (let TMP_297 \def (\lambda (t0: T).(pr0 t1 t0)) in (let
252 TMP_299 \def (\lambda (t0: T).(let TMP_298 \def (clen c0) in (subst0 TMP_298
253 t t0 t2))) in (let TMP_300 \def (ex3 T TMP_296 TMP_297 TMP_299) in (let
254 TMP_301 \def (eq T t1 t2) in (let TMP_302 \def (\lambda (H4: (pr2 c0 t1
255 t2)).(H1 t2 H4)) in (let TMP_315 \def (\lambda (H4: (ex3 T (\lambda (_:
256 T).(eq K (Bind Abst) (Bind Abbr))) (\lambda (t0: T).(pr0 t1 t0)) (\lambda
257 (t0: T).(subst0 (clen c0) t t0 t2)))).(let TMP_305 \def (\lambda (_: T).(let
258 TMP_303 \def (Bind Abst) in (let TMP_304 \def (Bind Abbr) in (eq K TMP_303
259 TMP_304)))) in (let TMP_306 \def (\lambda (t0: T).(pr0 t1 t0)) in (let
260 TMP_308 \def (\lambda (t0: T).(let TMP_307 \def (clen c0) in (subst0 TMP_307
261 t t0 t2))) in (let TMP_309 \def (eq T t1 t2) in (let TMP_314 \def (\lambda
262 (x0: T).(\lambda (H5: (eq K (Bind Abst) (Bind Abbr))).(\lambda (_: (pr0 t1
263 x0)).(\lambda (_: (subst0 (clen c0) t x0 t2)).(let TMP_310 \def (Bind Abst)
264 in (let TMP_311 \def (\lambda (ee: K).(match ee with [(Bind b0) \Rightarrow
265 (match b0 with [Abbr \Rightarrow False | Abst \Rightarrow True | Void
266 \Rightarrow False]) | (Flat _) \Rightarrow False])) in (let TMP_312 \def
267 (Bind Abbr) in (let H8 \def (eq_ind K TMP_310 TMP_311 I TMP_312 H5) in (let
268 TMP_313 \def (eq T t1 t2) in (False_ind TMP_313 H8)))))))))) in (ex3_ind T
269 TMP_305 TMP_306 TMP_308 TMP_309 TMP_314 H4))))))) in (or_ind TMP_293 TMP_300
270 TMP_301 TMP_302 TMP_315 H3)))))))))))))) in (let TMP_317 \def (or_introl
271 TMP_286 TMP_291 TMP_316) in (let TMP_318 \def (\forall (t2: T).((pr2 (CTail
272 (Bind Void) t c0) t1 t2) \to (eq T t1 t2))) in (let TMP_319 \def (\lambda
273 (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let TMP_322 \def
274 (\lambda (t2: T).(let TMP_320 \def (Bind Void) in (let TMP_321 \def (CTail
275 TMP_320 t c0) in (pr2 TMP_321 t1 t2)))) in (let TMP_323 \def (ex2 T TMP_319
276 TMP_322) in (let TMP_348 \def (\lambda (t2: T).(\lambda (H2: (pr2 (CTail
277 (Bind Void) t c0) t1 t2)).(let TMP_324 \def (Bind Void) in (let H_x0 \def
278 (pr2_gen_ctail TMP_324 c0 t t1 t2 H2) in (let H3 \def H_x0 in (let TMP_325
279 \def (pr2 c0 t1 t2) in (let TMP_328 \def (\lambda (_: T).(let TMP_326 \def
280 (Bind Void) in (let TMP_327 \def (Bind Abbr) in (eq K TMP_326 TMP_327)))) in
281 (let TMP_329 \def (\lambda (t0: T).(pr0 t1 t0)) in (let TMP_331 \def (\lambda
282 (t0: T).(let TMP_330 \def (clen c0) in (subst0 TMP_330 t t0 t2))) in (let
283 TMP_332 \def (ex3 T TMP_328 TMP_329 TMP_331) in (let TMP_333 \def (eq T t1
284 t2) in (let TMP_334 \def (\lambda (H4: (pr2 c0 t1 t2)).(H1 t2 H4)) in (let
285 TMP_347 \def (\lambda (H4: (ex3 T (\lambda (_: T).(eq K (Bind Void) (Bind
286 Abbr))) (\lambda (t0: T).(pr0 t1 t0)) (\lambda (t0: T).(subst0 (clen c0) t t0
287 t2)))).(let TMP_337 \def (\lambda (_: T).(let TMP_335 \def (Bind Void) in
288 (let TMP_336 \def (Bind Abbr) in (eq K TMP_335 TMP_336)))) in (let TMP_338
289 \def (\lambda (t0: T).(pr0 t1 t0)) in (let TMP_340 \def (\lambda (t0: T).(let
290 TMP_339 \def (clen c0) in (subst0 TMP_339 t t0 t2))) in (let TMP_341 \def (eq
291 T t1 t2) in (let TMP_346 \def (\lambda (x0: T).(\lambda (H5: (eq K (Bind
292 Void) (Bind Abbr))).(\lambda (_: (pr0 t1 x0)).(\lambda (_: (subst0 (clen c0)
293 t x0 t2)).(let TMP_342 \def (Bind Void) in (let TMP_343 \def (\lambda (ee:
294 K).(match ee with [(Bind b0) \Rightarrow (match b0 with [Abbr \Rightarrow
295 False | Abst \Rightarrow False | Void \Rightarrow True]) | (Flat _)
296 \Rightarrow False])) in (let TMP_344 \def (Bind Abbr) in (let H8 \def (eq_ind
297 K TMP_342 TMP_343 I TMP_344 H5) in (let TMP_345 \def (eq T t1 t2) in
298 (False_ind TMP_345 H8)))))))))) in (ex3_ind T TMP_337 TMP_338 TMP_340 TMP_341
299 TMP_346 H4))))))) in (or_ind TMP_325 TMP_332 TMP_333 TMP_334 TMP_347
300 H3)))))))))))))) in (let TMP_349 \def (or_introl TMP_318 TMP_323 TMP_348) in
301 (B_ind TMP_67 TMP_285 TMP_317 TMP_349 b)))))))))))))))))))))))))) in (let
302 TMP_382 \def (\lambda (f: F).(let TMP_351 \def (\forall (t2: T).((pr2 (CTail
303 (Flat f) t c0) t1 t2) \to (eq T t1 t2))) in (let TMP_352 \def (\lambda (t2:
304 T).((eq T t1 t2) \to (\forall (P: Prop).P))) in (let TMP_355 \def (\lambda
305 (t2: T).(let TMP_353 \def (Flat f) in (let TMP_354 \def (CTail TMP_353 t c0)
306 in (pr2 TMP_354 t1 t2)))) in (let TMP_356 \def (ex2 T TMP_352 TMP_355) in
307 (let TMP_381 \def (\lambda (t2: T).(\lambda (H2: (pr2 (CTail (Flat f) t c0)
308 t1 t2)).(let TMP_357 \def (Flat f) in (let H_x0 \def (pr2_gen_ctail TMP_357
309 c0 t t1 t2 H2) in (let H3 \def H_x0 in (let TMP_358 \def (pr2 c0 t1 t2) in
310 (let TMP_361 \def (\lambda (_: T).(let TMP_359 \def (Flat f) in (let TMP_360
311 \def (Bind Abbr) in (eq K TMP_359 TMP_360)))) in (let TMP_362 \def (\lambda
312 (t0: T).(pr0 t1 t0)) in (let TMP_364 \def (\lambda (t0: T).(let TMP_363 \def
313 (clen c0) in (subst0 TMP_363 t t0 t2))) in (let TMP_365 \def (ex3 T TMP_361
314 TMP_362 TMP_364) in (let TMP_366 \def (eq T t1 t2) in (let TMP_367 \def
315 (\lambda (H4: (pr2 c0 t1 t2)).(H1 t2 H4)) in (let TMP_380 \def (\lambda (H4:
316 (ex3 T (\lambda (_: T).(eq K (Flat f) (Bind Abbr))) (\lambda (t0: T).(pr0 t1
317 t0)) (\lambda (t0: T).(subst0 (clen c0) t t0 t2)))).(let TMP_370 \def
318 (\lambda (_: T).(let TMP_368 \def (Flat f) in (let TMP_369 \def (Bind Abbr)
319 in (eq K TMP_368 TMP_369)))) in (let TMP_371 \def (\lambda (t0: T).(pr0 t1
320 t0)) in (let TMP_373 \def (\lambda (t0: T).(let TMP_372 \def (clen c0) in
321 (subst0 TMP_372 t t0 t2))) in (let TMP_374 \def (eq T t1 t2) in (let TMP_379
322 \def (\lambda (x0: T).(\lambda (H5: (eq K (Flat f) (Bind Abbr))).(\lambda (_:
323 (pr0 t1 x0)).(\lambda (_: (subst0 (clen c0) t x0 t2)).(let TMP_375 \def (Flat
324 f) in (let TMP_376 \def (\lambda (ee: K).(match ee with [(Bind _) \Rightarrow
325 False | (Flat _) \Rightarrow True])) in (let TMP_377 \def (Bind Abbr) in (let
326 H8 \def (eq_ind K TMP_375 TMP_376 I TMP_377 H5) in (let TMP_378 \def (eq T t1
327 t2) in (False_ind TMP_378 H8)))))))))) in (ex3_ind T TMP_370 TMP_371 TMP_373
328 TMP_374 TMP_379 H4))))))) in (or_ind TMP_358 TMP_365 TMP_366 TMP_367 TMP_380
329 H3)))))))))))))) in (or_introl TMP_351 TMP_356 TMP_381))))))) in (K_ind
330 TMP_60 TMP_350 TMP_382 k))))) in (let TMP_403 \def (\lambda (H1: (ex2 T
331 (\lambda (t2: T).((eq T t1 t2) \to (\forall (P: Prop).P))) (\lambda (t2:
332 T).(pr2 c0 t1 t2)))).(let TMP_384 \def (\lambda (t2: T).((eq T t1 t2) \to
333 (\forall (P: Prop).P))) in (let TMP_385 \def (\lambda (t2: T).(pr2 c0 t1 t2))
334 in (let TMP_386 \def (\forall (t2: T).((pr2 (CTail k t c0) t1 t2) \to (eq T
335 t1 t2))) in (let TMP_387 \def (\lambda (t2: T).((eq T t1 t2) \to (\forall (P:
336 Prop).P))) in (let TMP_389 \def (\lambda (t2: T).(let TMP_388 \def (CTail k t
337 c0) in (pr2 TMP_388 t1 t2))) in (let TMP_390 \def (ex2 T TMP_387 TMP_389) in
338 (let TMP_391 \def (or TMP_386 TMP_390) in (let TMP_402 \def (\lambda (x:
339 T).(\lambda (H2: (((eq T t1 x) \to (\forall (P: Prop).P)))).(\lambda (H3:
340 (pr2 c0 t1 x)).(let TMP_392 \def (\forall (t2: T).((pr2 (CTail k t c0) t1 t2)
341 \to (eq T t1 t2))) in (let TMP_393 \def (\lambda (t2: T).((eq T t1 t2) \to
342 (\forall (P: Prop).P))) in (let TMP_395 \def (\lambda (t2: T).(let TMP_394
343 \def (CTail k t c0) in (pr2 TMP_394 t1 t2))) in (let TMP_396 \def (ex2 T
344 TMP_393 TMP_395) in (let TMP_397 \def (\lambda (t2: T).((eq T t1 t2) \to
345 (\forall (P: Prop).P))) in (let TMP_399 \def (\lambda (t2: T).(let TMP_398
346 \def (CTail k t c0) in (pr2 TMP_398 t1 t2))) in (let TMP_400 \def (pr2_ctail
347 c0 t1 x H3 k t) in (let TMP_401 \def (ex_intro2 T TMP_397 TMP_399 x H2
348 TMP_400) in (or_intror TMP_392 TMP_396 TMP_401)))))))))))) in (ex2_ind T
349 TMP_384 TMP_385 TMP_391 TMP_402 H1)))))))))) in (or_ind TMP_45 TMP_48 TMP_54
350 TMP_383 TMP_403 H0))))))))))))))))))) in (c_tail_ind TMP_5 TMP_44 TMP_404